CN103327901B - X射线ct装置、物质确定方法及图像处理装置 - Google Patents

X射线ct装置、物质确定方法及图像处理装置 Download PDF

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CN103327901B
CN103327901B CN201280006252.4A CN201280006252A CN103327901B CN 103327901 B CN103327901 B CN 103327901B CN 201280006252 A CN201280006252 A CN 201280006252A CN 103327901 B CN103327901 B CN 103327901B
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image
ray
unit
projection data
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CN103327901A (zh
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田口博基
津雪昌快
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Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Corp
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/20—Sources of radiation
    • G01N2223/206—Sources of radiation sources operating at different energy levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/612—Specific applications or type of materials biological material
    • G01N2223/6126—Specific applications or type of materials biological material tissue
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201280006252.4A 2011-09-28 2012-09-24 X射线ct装置、物质确定方法及图像处理装置 Active CN103327901B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011213047 2011-09-28
JP2011-213047 2011-09-28
JP2012206419A JP6073616B2 (ja) 2011-09-28 2012-09-20 Ｘ線ｃｔ装置、画像処理装置及びプログラム
JP2012-206419 2012-09-20
PCT/JP2012/074329 WO2013047403A1 (ja) 2011-09-28 2012-09-24 Ｘ線ｃｔ装置、物質特定方法、及び画像処理装置

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CN103327901A CN103327901A (zh) 2013-09-25
CN103327901B true CN103327901B (zh) 2016-01-27

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US (1) US9418451B2 (https=)
JP (1) JP6073616B2 (https=)
CN (1) CN103327901B (https=)
WO (1) WO2013047403A1 (https=)

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CN105188545B (zh) * 2013-05-24 2018-04-06 株式会社日立制作所 X射线ct装置以及处理方法
CN105493148B (zh) * 2013-08-30 2019-07-26 皇家飞利浦有限公司 利用反相关滤波器的谱投影数据去噪
CA2926838C (en) * 2013-10-09 2022-04-26 Voti Inc. Techniques for imaging a scanned object
JP6482934B2 (ja) 2014-06-03 2019-03-13 キヤノンメディカルシステムズ株式会社 画像処理装置、放射線検出装置および画像処理方法
JP6351164B2 (ja) * 2014-06-12 2018-07-04 国立研究開発法人量子科学技術研究開発機構 ビーム照射対象確認装置、ビーム照射対象確認プログラム、および阻止能比算出プログラム
US9964499B2 (en) * 2014-11-04 2018-05-08 Toshiba Medical Systems Corporation Method of, and apparatus for, material classification in multi-energy image data
CN104574292B (zh) * 2014-11-26 2018-06-26 沈阳东软医疗系统有限公司 一种ct图像的校正方法和装置
KR101725099B1 (ko) * 2014-12-05 2017-04-26 삼성전자주식회사 컴퓨터 단층 촬영장치 및 그 제어방법
US9913622B2 (en) 2015-02-23 2018-03-13 Toshiba Medical Systems Corporation X-ray CT apparatus and image processing device
WO2016158234A1 (ja) * 2015-03-30 2016-10-06 株式会社日立製作所 画像生成装置、画像生成方法及びｘ線ｃｔ装置
JP6531177B2 (ja) * 2015-08-31 2019-06-12 富士フイルム株式会社 液晶セルおよび３次元構造液晶セル
WO2017073399A1 (ja) * 2015-10-27 2017-05-04 株式会社日立製作所 Ｘ線ｃｔデータ処理装置、及び、これを搭載したｘ線ｃｔ装置
TW201736865A (zh) * 2016-04-13 2017-10-16 Nihon Medi-Physics Co Ltd 來自核子醫學影像的生理累積之自動去除及ｃｔ影像之自動分段
EP3441005B1 (de) * 2017-08-11 2022-04-06 Siemens Healthcare GmbH Analyse von läsionen mit hilfe der multi-energie-ct-bildgebung
EP3695251A1 (en) * 2017-10-09 2020-08-19 Koninklijke Philips N.V. Material-selective adaptive blending of volumetric image data
WO2020003744A1 (ja) * 2018-06-27 2020-01-02 キヤノン株式会社 放射線撮影装置、放射線撮影方法およびプログラム
US11977037B2 (en) 2018-10-22 2024-05-07 Rapiscan Holdings, Inc. Insert for screening tray
US10718724B2 (en) * 2018-11-06 2020-07-21 Jon M Frenn Systems and methods of comparative computed tomography (CT) for qualification of commercial grade items
JP2020185223A (ja) * 2019-05-15 2020-11-19 国立大学法人北海道大学 単色ｃｔ画像作成方法、単色ｃｔ画像作成装置および単色ｃｔ画像作成プログラム
US20220313178A1 (en) * 2019-05-27 2022-10-06 Diatrend Corporation Data processing device and data processing method for processing x-ray detection data, and x-ray inspection apparatus provided with the device or method
WO2021035477A1 (en) * 2019-08-26 2021-03-04 Guangxi Liugong Machinery Co., Ltd. Electric excavator
WO2021051191A1 (en) 2019-09-16 2021-03-25 Voti Inc. Probabilistic image analysis
CN112730468B (zh) * 2019-10-28 2022-07-01 同方威视技术股份有限公司 物品检测设备及其检测物品的方法
US11238585B2 (en) * 2020-04-03 2022-02-01 The University Of Chicago Method and apparatus for spectral computed tomography (CT) with multi-material decomposition into three or more material components
CN113361632A (zh) * 2021-06-25 2021-09-07 西门子数字医疗科技(上海)有限公司 图像中确定生物组织类别方法、装置、计算机设备和介质
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CN114813798B (zh) * 2022-05-18 2023-07-07 中国工程物理研究院化工材料研究所 用于表征材料内部结构及成分的ct检测装置和成像方法
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CN101028199A (zh) * 2006-02-28 2007-09-05 西门子公司 借助多能量计算机断层造影确定体内物质浓度的方法和装置
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JP2013081765A (ja) 2013-05-09
WO2013047403A1 (ja) 2013-04-04
US20130287260A1 (en) 2013-10-31
US9418451B2 (en) 2016-08-16
CN103327901A (zh) 2013-09-25
JP6073616B2 (ja) 2017-02-01

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